How does the graph of f(x)= 3(4)*5 + relate to its parent function?

Bob’s bank charges him a $3.15 service fee every time he uses an out-of-network atm. if bob uses an out-of-network atm an average of three times every two weeks, how much will he pay in service fees over the course of a year? a. $327.60 b. $109.20 c. $491.40 d. $245.70 select the best answer from the choices provided a b c d

Ineed to know the answer to this algebra question.

What is the result of adding the system of equations? 2x+y=4 3x-y=6